Dump truck leaving asphalt on an unpaved road in Los Angeles, [s.d.] 

Truck dumping asphalt on an unpaved street in Los Angeles, [s.d.] 

Workers spreading asphalt on an unidentified street, [s.d.] 

Construction work on an unidentified asphalt street, [s.d.] 

Construction work near railroad track, showing men with cameras, [s.d.] 

Birdseye view of a construction project near railroad tracks in Los Angeles, [s.d.] 

Workers using asphalt during street construction, [s.d.] 

Concrete viaduct crossing a street and railroad tracks, [s.d.] 

Dump truck offloading, showing group of workers nearby, [s.d.] 

View of railroad tracks in Hermesillo, Sonora, Mexico, [s.d.] 

View along railroad tracks and what appears to be a water-flow channel, [s.d.] 

View looking east from State Street along railroad tracks and what may be a water-flow channel, [s.d.] 

Mount Tamalpais railroad track, 1910 

Concrete viaduct crossing a street and railroad tracks, [s.d.] 

Workers during asphalt street paving, [s.d.] 

View of railroad tracks under a concrete viaduct in Los Angeles, [s.d.] 

Workers using an asphalt finishing machine on an unidentified street, [s.d.] 

Concrete viaduct crossing a street and railroad tracks, [s.d.] 

Asphalt finishing machines smoothing a street for a resurfacing project, [s.d.] 

Workers constructing a storm drain next to railroad tracks, ca.1900